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      1 /*	$NetBSD: efiboot.h,v 1.4 2020/01/26 10:12:29 skrll Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1996
      5  *	Matthias Drochner.  All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed for the NetBSD Project
     18  *	by Matthias Drochner.
     19  * 4. The name of the author may not be used to endorse or promote products
     20  *    derived from this software without specific prior written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     25  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     31  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     32  *
     33  * $FreeBSD$: src/sys/boot/efi/libefi/efiboot.h,v 1.8 2003/08/02 08:22:03 marcel Exp $
     34  */
     35 
     36 /*
     37  * EFI fully-qualified device descriptor
     38  */
     39 struct efi_devdesc {
     40 	struct	devsw	*d_dev;
     41 	int		d_type;
     42 #define	DEVT_NONE	0
     43 #define	DEVT_DISK	1
     44 #define	DEVT_NET	2
     45 	EFI_HANDLE	d_handle;
     46 	union {
     47 		struct {
     48 			int	unit;
     49 			int	slice;
     50 			int	partition;
     51 		} efidisk;
     52 		struct {
     53 			int	unit;	/* XXX net layer lives over these? */
     54 		} netif;
     55 	} d_kind;
     56 };
     57 
     58 extern int	efi_getdev(void **vdev, const char *devspec, const char **path);
     59 extern char	*efi_fmtdev(void *vdev);
     60 extern int	efi_setcurrdev(struct env_var *ev, int flags, void *value);
     61 
     62 #define	MAXDEV	31	/* maximum number of distinct devices */
     63 
     64 typedef unsigned long physaddr_t;
     65 
     66 /* exported devices XXX rename? */
     67 extern struct devsw devsw[];
     68 extern struct netif_driver efi_net;
     69 
     70 /* Find EFI network resources */
     71 extern void efinet_init_driver(void);
     72 
     73 /* Map handles to units */
     74 int efifs_get_unit(EFI_HANDLE);
     75 
     76 /* Wrapper over EFI filesystems. */
     77 extern struct fs_ops efi_fsops;
     78 
     79 /* this is in startup code */
     80 extern void		delay(int);
     81 extern void		reboot(void);
     82 
     83 extern ssize_t		efi_copyin(const void *src, vaddr_t dest, size_t len);
     84 extern ssize_t		efi_copyout(const vaddr_t src, void *dest, size_t len);
     85 extern ssize_t		efi_readin(const int fd, vaddr_t dest, size_t len);
     86 
     87 extern int		efi_boot(void);
     88 extern int		efi_autoload(void);
     89 
     90 extern int		fpswa_init(u_int64_t *fpswa_interface);
     91 
     92 struct bootinfo;
     93 struct preloaded_file;
     94 extern int		bi_load(struct bootinfo *, struct preloaded_file *,
     95 				UINTN *mapkey, UINTN pages);
     96 
     97